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Discussion Starter · #1 ·
I have a 1999 DOHC. I am having a little trouble making sure I get the right oil pressure sensor from the local parts stores. I went to NAPA and they list P/N OP6216 for both the idiot light or the guage type. I have the oil light. The Ford dealer said the sending unit for the guage and the light are definately different. I just want to make sure I get the right one, only want to change it once as it looks very hard to get to. Any tips to make it easier would be appreciated. Anybody know the right part number?

Ed
 

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Just a suggestion - You can look up the part numbers at rockauto.com , drill down to the car then type "oil pressure" in the find catagory - or drill down to "Electrical-Switch & Relay", then "Oil Pressure Switch" - at least one is for a 12 valve, the others look like they're 24 valve DOHC
 

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Discussion Starter · #3 ·
Thanks NY, I called another parts store and got a young lady. She said they had the 12 volt and the 24 volt switch. Took me a while to figure out what she really meant. LOL

Ed
 

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24 volt switch, lol.
 

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Scout- I just recently did this on one of my 99 tecs. oreilly & advance carry the borg-warner(bwd)#s367 for $3-5. its the one you need for the light. do a search on here. someone did a write-up quite awhile ago. its best during an oil change with the filter removed. i also removed dipstick & tube iirc. i started with an oil sender socket but switched to a combo wrench. dont remember size. new switch(sender) should come with some orange sealant on the threads, if not, add some. good luck, -sheila
 

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Scout, i think the how-to was by maceslin way back in 05. I just know it was a bigger pita than it should have been! -sheila
 

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Discussion Starter · #7 ·
Thanks Sheila, I will do a search for that. I will definately check O'Reilly. Thanks
Ed
 

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On most late model Fords, the gauge and the light use the same switch. How can this be? On cars with gauge, the gauge is "fake". It is the same as the idiot light. If oil pressure is above the switch set point, gauge is set to read in the middle of the range (often by putting a resistor in series with the gauge), and if pressure is below switch set press, gauge reads zero.
 

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Discussion Starter · #9 ·
Thanks Jeff,
I discussed the two switches with the counterman at NAPA. He was a GM tech for 25 years. Even he couldn't explain their listing of the same switch for the guage and the light. That makes sense now. So if you have an oil guage type indicator it is only going to read half scale or zero? Still doesn't explain the Ford counter guy saying there was definately a difference between the two. I think I will be going to O'reilys. Thanks everyone.
 

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Usually the gage type sender is quit a bit bigger than the oil light type. But if Ford is using a lazy gage like described I can see where it would work with either.

Usually you can test the gauge types by grounding or applying 12v to the lead. Much like the coolant temp gage.
 

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Discussion Starter · #14 ·
Sheila,
Never has such a simple task cause me such problems or confusion. I went to O'reily's and asked for the S367 sensor. It had a threaded type connector and the counterperson said it was the type for the guage. Anyway mine has a special connector. I looked up on O'reily's website and they list 2-8189 for the light and S4221 with guage they both have the special connector. More confusion. I don't want to take mine out until I am ready to change it. The car has an intermittant oil light at idle. I want to take out my sender unit (it is also leaking oil out of it, which I have read is a sign that the switch is causing the light) connect a pressure guage to get a true reading of my oil pressure, replace the switch and change the oil. If I put the wrong switch in I will never know if it is working until it is too late. The hold up is I still don't have the confirmed right part to put in. Ed
 

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If it looks like this.



It is for a gage with a needle.

If it looks like this.



It's for a light.
 

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Discussion Starter · #16 ·
Shoz,
The s867 sensor looks like the second one in your pictures. That is supposed to be for the guage type. My sensor doesn't look like any of those. It has a special connector on it. I wish I could post pictures.
Ed
 

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Ed, the one i most recently changed was on a 98 tec(sorry). It took the s367 & looks identical to pauls second pic.( the small silver one for the light). Hard to think a 99 tec would take a diff. part#. Going to check oreillys site.
 

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Ed, the one i most recently changed was on a 98 tec (sorry). It was the s367 & identical to pauls second pic. (the small silver one for the light). Hard to believe the part# would differ from 98 to 99, but i will double check oreillys website.
 

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Ed, for the 99tec with light: oreilly- bwd#s4221- $16.99- lifetime warr. az- duralast#ps409- $14.99- lifetime warr. These both have black plastic elec. conn. vs. threaded brass posts. Sheesh! Websites have changed! Part#s have changed for 98tecs, too. They are now listing it for the vulcan! Hopefully a misprint. I had gotten the s367 # online & verified it for the 98tec when i picked it up at the store???
 

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Discussion Starter · #20 ·
Thanks everybody for your time and advice. Sheila, I meant S367 in my last post. I put off doing the job until next weekend because of not being sure of the correct part. Every part place was telling me something different. I think I have the right part now. I hate only having a light. If you put the wrong sensor in and the light does not come on you would think you are okay, but could actually have a problem. Too lazy to try and install an actual pressure guage in tandem with the light because it is so hard to get to.
 
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